Act 4 only duh
Works with any character really but the best 3 are prolly Jim, Walker and Mum (extra pills for chem courage).
Grab any M249 or RPK - try and get an extended mag
Last card is optional, i didnt know what else to put down you could use amped up or on your marks.
Should look like this:
https://youtu.be/ofG-xOQO0fw